: For a gearbox oil change on manual models, you will need between 1.5 and 2.5 litres .
Most manuals were polite. They told you what tools to use and offered cheerful exploded diagrams. This one was different. The first page wasn’t a spec sheet. It was a warning in bold red italics: yaris 2sz fe engine manual exclusive
This system optimizes intake valve timing to improve fuel economy and torque throughout the rev range. DOHC 16-Valve Design: : For a gearbox oil change on manual